31212034023 has 8 divisors (see below), whose sum is σ = 42202187136. Its totient is φ = 20514951800.

The previous prime is 31212034013. The next prime is 31212034033. The reversal of 31212034023 is 32043021213.

It is an interprime number because it is at equal distance from previous prime (31212034013) and next prime (31212034033).

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 31212034023 - 2⁵ = 31212033991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212034003) 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, 73267473 + ... + 73267898.

It is an arithmetic number, because the mean of its divisors is an integer number (5275273392).

Almost surely, 2^31212034023 is an apocalyptic number.

31212034023 is a deficient number, since it is larger than the sum of its proper divisors (10990153113).

31212034023 is a wasteful number, since it uses less digits than its factorization.

31212034023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146535445.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31212034023 its reverse (32043021213), we get a palindrome (63255055236).

The spelling of 31212034023 in words is "thirty-one billion, two hundred twelve million, thirty-four thousand, twenty-three".