31012133001 has 8 divisors (see below), whose sum is σ = 41351786784. Its totient is φ = 20673617280.

The previous prime is 31012132973. The next prime is 31012133017. The reversal of 31012133001 is 10033121013.

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

It is not a de Polignac number, because 31012133001 - 2⁵ = 31012132969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31012133041) 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, 218760 + ... + 331481.

It is an arithmetic number, because the mean of its divisors is an integer number (5168973348).

Almost surely, 2^31012133001 is an apocalyptic number.

It is an amenable number.

31012133001 is a deficient number, since it is larger than the sum of its proper divisors (10339653783).

31012133001 is a wasteful number, since it uses less digits than its factorization.

31012133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569031.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31012133001 its reverse (10033121013), we get a palindrome (41045254014).

The spelling of 31012133001 in words is "thirty-one billion, twelve million, one hundred thirty-three thousand, one".