31042101029 has 4 divisors (see below), whose sum is σ = 32675895840. Its totient is φ = 29408306220.

The previous prime is 31042101019. The next prime is 31042101059. The reversal of 31042101029 is 92010124013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31042101029 - 2⁸ = 31042100773 is a prime.

It is a super-2 number, since 2×31042101029² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31042100995 and 31042101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816897377 + ... + 816897414.

It is an arithmetic number, because the mean of its divisors is an integer number (8168973960).

Almost surely, 2^31042101029 is an apocalyptic number.

It is an amenable number.

31042101029 is a deficient number, since it is larger than the sum of its proper divisors (1633794811).

31042101029 is a wasteful number, since it uses less digits than its factorization.

31042101029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633794810.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 31042101029 in words is "thirty-one billion, forty-two million, one hundred one thousand, twenty-nine".