31400111212001 has 16 divisors (see below), whose sum is σ = 36224151532800. Its totient is φ = 26660772278208.

The previous prime is 31400111211977. The next prime is 31400111212039. The reversal of 31400111212001 is 10021211100413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31400111212001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31400111212091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114765 + ... + 8201978.

It is an arithmetic number, because the mean of its divisors is an integer number (2264009470800).

Almost surely, 2^{31400111212001} is an apocalyptic number.

It is an amenable number.

31400111212001 is a deficient number, since it is larger than the sum of its proper divisors (4824040320799).

31400111212001 is a wasteful number, since it uses less digits than its factorization.

31400111212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320848.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 31400111212001 its reverse (10021211100413), we get a palindrome (41421322312414).

The spelling of 31400111212001 in words is "thirty-one trillion, four hundred billion, one hundred eleven million, two hundred twelve thousand, one".