31400122101 has 12 divisors (see below), whose sum is σ = 42170274432. Its totient is φ = 20782776264.

The previous prime is 31400122097. The next prime is 31400122141. The reversal of 31400122101 is 10122100413.

It is not a de Polignac number, because 31400122101 - 2² = 31400122097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400122141) 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, 212901 + ... + 328826.

It is an arithmetic number, because the mean of its divisors is an integer number (3514189536).

Almost surely, 2^31400122101 is an apocalyptic number.

It is an amenable number.

31400122101 is a deficient number, since it is larger than the sum of its proper divisors (10770152331).

31400122101 is an equidigital number, since it uses as much as digits as its factorization.

31400122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542008 (or 541869 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31400122101 its reverse (10122100413), we get a palindrome (41522222514).

The spelling of 31400122101 in words is "thirty-one billion, four hundred million, one hundred twenty-two thousand, one hundred one".