31322012001 has 8 divisors (see below), whose sum is σ = 47728780224. Its totient is φ = 17898292560.

The previous prime is 31322011999. The next prime is 31322012119. The reversal of 31322012001 is 10021022313.

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

It is not a de Polignac number, because 31322012001 - 2¹ = 31322011999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31322012201) 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, 745762170 + ... + 745762211.

It is an arithmetic number, because the mean of its divisors is an integer number (5966097528).

Almost surely, 2^31322012001 is an apocalyptic number.

It is an amenable number.

31322012001 is a deficient number, since it is larger than the sum of its proper divisors (16406768223).

31322012001 is a wasteful number, since it uses less digits than its factorization.

31322012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491524391.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31322012001 its reverse (10021022313), we get a palindrome (41343034314).

It can be divided in two parts, 313220 and 12001, that added together give a triangular number (325221 = T₈₀₆).

The spelling of 31322012001 in words is "thirty-one billion, three hundred twenty-two million, twelve thousand, one".