31023201123100 has 18 divisors (see below), whose sum is σ = 67320346437344. Its totient is φ = 12409280449200.

The previous prime is 31023201123077. The next prime is 31023201123119. The reversal of 31023201123100 is 132110232013.

It is a super-2 number, since 2×31023201123100² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155116005516 + ... + 155116005715.

Almost surely, 2^{31023201123100} is an apocalyptic number.

It is an amenable number.

31023201123100 is an abundant number, since it is smaller than the sum of its proper divisors (36297145314244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31023201123100 is a wasteful number, since it uses less digits than its factorization.

31023201123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310232011245 (or 310232011238 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31023201123100 its reverse (132110232013), we get a palindrome (31155311355113).

The spelling of 31023201123100 in words is "thirty-one trillion, twenty-three billion, two hundred one million, one hundred twenty-three thousand, one hundred".