31012004201101 has 12 divisors (see below), whose sum is σ = 38957228418976. Its totient is φ = 24165198078120.

The previous prime is 31012004201081. The next prime is 31012004201111. The reversal of 31012004201101 is 10110240021013.

It is not a de Polignac number, because 31012004201101 - 2⁵ = 31012004201069 is a prime.

It is a super-2 number, since 2×31012004201101² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012004201111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18306967395 + ... + 18306969088.

Almost surely, 2^{31012004201101} is an apocalyptic number.

It is an amenable number.

31012004201101 is a deficient number, since it is larger than the sum of its proper divisors (7945224217875).

31012004201101 is a wasteful number, since it uses less digits than its factorization.

31012004201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36613936512 (or 36613936501 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31012004201101 its reverse (10110240021013), we get a palindrome (41122244222114).

The spelling of 31012004201101 in words is "thirty-one trillion, twelve billion, four million, two hundred one thousand, one hundred one".