31303200012031 has 8 divisors (see below), whose sum is σ = 31414194662400. Its totient is φ = 31192337579640.

The previous prime is 31303200012023. The next prime is 31303200012101. The reversal of 31303200012031 is 13021000230313.

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 31303200012031 - 2³ = 31303200012023 is a prime.

It is a super-2 number, since 2×31303200012031² (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 (31303200012731) 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, 32580135 + ... + 33527176.

It is an arithmetic number, because the mean of its divisors is an integer number (3926774332800).

Almost surely, 2^{31303200012031} is an apocalyptic number.

31303200012031 is a deficient number, since it is larger than the sum of its proper divisors (110994650369).

31303200012031 is a wasteful number, since it uses less digits than its factorization.

31303200012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66108989.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31303200012031 its reverse (13021000230313), we get a palindrome (44324200242344).

The spelling of 31303200012031 in words is "thirty-one trillion, three hundred three billion, two hundred million, twelve thousand, thirty-one".