1970031 has 8 divisors (see below), whose sum is σ = 3001984. Its totient is φ = 1125720.

The previous prime is 1970029. The next prime is 1970039. The reversal of 1970031 is 1300791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1970031 - 2¹ = 1970029 is a prime.

It is a super-2 number, since 2×1970031² = 7762044281922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 93811 = 1970031 / (1 + 9 + 7 + 0 + 0 + 3 + 1).

It is a Duffinian number.

1970031 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46885 + ... + 46926.

It is an arithmetic number, because the mean of its divisors is an integer number (375248).

2^1970031 is an apocalyptic number.

1970031 is a deficient number, since it is larger than the sum of its proper divisors (1031953).

1970031 is an equidigital number, since it uses as much as digits as its factorization.

1970031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93821.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1970031 is about 1403.5779280111. The cubic root of 1970031 is about 125.3596256960.

The spelling of 1970031 in words is "one million, nine hundred seventy thousand, thirty-one".