31050523397 has 4 divisors (see below), whose sum is σ = 32052153216. Its totient is φ = 30048893580.

The previous prime is 31050523391. The next prime is 31050523423. The reversal of 31050523397 is 79332505013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31050523397 - 2¹² = 31050519301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31050523397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31050523391) 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, 500814863 + ... + 500814924.

It is an arithmetic number, because the mean of its divisors is an integer number (8013038304).

Almost surely, 2^31050523397 is an apocalyptic number.

It is an amenable number.

31050523397 is a deficient number, since it is larger than the sum of its proper divisors (1001629819).

31050523397 is a wasteful number, since it uses less digits than its factorization.

31050523397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001629818.

The product of its (nonzero) digits is 85050, while the sum is 38.

The spelling of 31050523397 in words is "thirty-one billion, fifty million, five hundred twenty-three thousand, three hundred ninety-seven".