31434112101 has 32 divisors (see below), whose sum is σ = 49089616128. Its totient is φ = 17516482560.

The previous prime is 31434112097. The next prime is 31434112103. The reversal of 31434112101 is 10121143413.

It is not a de Polignac number, because 31434112101 - 2² = 31434112097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434112103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329165 + ... + 2342621.

It is an arithmetic number, because the mean of its divisors is an integer number (1534050504).

Almost surely, 2^31434112101 is an apocalyptic number.

It is an amenable number.

31434112101 is a deficient number, since it is larger than the sum of its proper divisors (17655504027).

31434112101 is a wasteful number, since it uses less digits than its factorization.

31434112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31434112101 its reverse (10121143413), we get a palindrome (41555255514).

The spelling of 31434112101 in words is "thirty-one billion, four hundred thirty-four million, one hundred twelve thousand, one hundred one".