31231323102101 has 8 divisors (see below), whose sum is σ = 33012629577600. Its totient is φ = 29463771889440.

The previous prime is 31231323102073. The next prime is 31231323102121. The reversal of 31231323102101 is 10120132313213.

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 31231323102101 - 2²⁶ = 31231255993237 is a prime.

It is a super-2 number, since 2×31231323102101² (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 (31231323102121) 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, 3438811040 + ... + 3438820121.

It is an arithmetic number, because the mean of its divisors is an integer number (4126578697200).

Almost surely, 2^{31231323102101} is an apocalyptic number.

It is an amenable number.

31231323102101 is a deficient number, since it is larger than the sum of its proper divisors (1781306475499).

31231323102101 is a wasteful number, since it uses less digits than its factorization.

31231323102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877631419.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31231323102101 its reverse (10120132313213), we get a palindrome (41351455415314).

The spelling of 31231323102101 in words is "thirty-one trillion, two hundred thirty-one billion, three hundred twenty-three million, one hundred two thousand, one hundred one".