10780131 has 4 divisors (see below), whose sum is σ = 14373512. Its totient is φ = 7186752.

The previous prime is 10780127. The next prime is 10780139. The reversal of 10780131 is 13108701.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10780131 - 2² = 10780127 is a prime.

It is a super-2 number, since 2×10780131² = 232422448754322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10780098 and 10780107.

It is not an unprimeable number, because it can be changed into a prime (10780139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796686 + ... + 1796691.

It is an arithmetic number, because the mean of its divisors is an integer number (3593378).

Almost surely, 2^10780131 is an apocalyptic number.

10780131 is a deficient number, since it is larger than the sum of its proper divisors (3593381).

10780131 is an equidigital number, since it uses as much as digits as its factorization.

10780131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593380.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 10780131 is about 3283.3109813114. The cubic root of 10780131 is about 220.9062548151.

Adding to 10780131 its reverse (13108701), we get a palindrome (23888832).

The spelling of 10780131 in words is "ten million, seven hundred eighty thousand, one hundred thirty-one".