1001970031 has 2 divisors, whose sum is σ = 1001970032. Its totient is φ = 1001970030.

The previous prime is 1001970029. The next prime is 1001970043. The reversal of 1001970031 is 1300791001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001970031 - 2¹ = 1001970029 is a prime.

It is a super-2 number, since 2×1001970031² = 2007887886044281922, which contains 22 as substring.

Together with 1001970029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001969984 and 1001970011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001970061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500985015 + 500985016.

It is an arithmetic number, because the mean of its divisors is an integer number (500985016).

Almost surely, 2^1001970031 is an apocalyptic number.

1001970031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001970031 is an equidigital number, since it uses as much as digits as its factorization.

1001970031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1001970031 is about 31653.9102007951. The cubic root of 1001970031 is about 1000.6562462467.

The spelling of 1001970031 in words is "one billion, one million, nine hundred seventy thousand, thirty-one".