1970320931 has 8 divisors (see below), whose sum is σ = 2027289264. Its totient is φ = 1913859360.

The previous prime is 1970320889. The next prime is 1970320991. The reversal of 1970320931 is 1390230791.

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

It is a cyclic number.

It is not a de Polignac number, because 1970320931 - 2⁶ = 1970320867 is a prime.

It is a super-4 number, since 4×1970320931⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1970320891 and 1970320900.

It is not an unprimeable number, because it can be changed into a prime (1970320991) 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, 118796 + ... + 134361.

It is an arithmetic number, because the mean of its divisors is an integer number (253411158).

Almost surely, 2^1970320931 is an apocalyptic number.

1970320931 is a deficient number, since it is larger than the sum of its proper divisors (56968333).

1970320931 is a wasteful number, since it uses less digits than its factorization.

1970320931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253381.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1970320931 is about 44388.2972302385. The cubic root of 1970320931 is about 1253.6577515230.

The spelling of 1970320931 in words is "one billion, nine hundred seventy million, three hundred twenty thousand, nine hundred thirty-one".