314021431 has 2 divisors, whose sum is σ = 314021432. Its totient is φ = 314021430.

The previous prime is 314021401. The next prime is 314021437. The reversal of 314021431 is 134120413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314021431 - 2¹¹ = 314019383 is a prime.

It is a super-2 number, since 2×314021431² = 197218918254575522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 314021399 and 314021408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314021437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157010715 + 157010716.

It is an arithmetic number, because the mean of its divisors is an integer number (157010716).

Almost surely, 2^314021431 is an apocalyptic number.

314021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

314021431 is an equidigital number, since it uses as much as digits as its factorization.

314021431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 314021431 is about 17720.6498470005. The cubic root of 314021431 is about 679.7039015069.

Adding to 314021431 its reverse (134120413), we get a palindrome (448141844).

The spelling of 314021431 in words is "three hundred fourteen million, twenty-one thousand, four hundred thirty-one".