31331202003013 has 8 divisors (see below), whose sum is σ = 34228956913056. Its totient is φ = 28441691062800.

The previous prime is 31331202002987. The next prime is 31331202003047. The reversal of 31331202003013 is 31030020213313.

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 31331202003013 - 2¹³ = 31331201994821 is a prime.

It is a super-2 number, since 2×31331202003013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31331202063013) 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, 2060984506 + ... + 2060999707.

It is an arithmetic number, because the mean of its divisors is an integer number (4278619614132).

Almost surely, 2^{31331202003013} is an apocalyptic number.

It is an amenable number.

31331202003013 is a deficient number, since it is larger than the sum of its proper divisors (2897754910043).

31331202003013 is a wasteful number, since it uses less digits than its factorization.

31331202003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121984915.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31331202003013 its reverse (31030020213313), we get a palindrome (62361222216326).

The spelling of 31331202003013 in words is "thirty-one trillion, three hundred thirty-one billion, two hundred two million, three thousand, thirteen".