42031101402 has 24 divisors (see below), whose sum is σ = 91105694784. Its totient is φ = 14004473544.

The previous prime is 42031101401. The next prime is 42031101407. The reversal of 42031101402 is 20410113024.

It is a super-2 number, since 2×42031101402² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42031101401) 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, 447048 + ... + 532835.

It is an arithmetic number, because the mean of its divisors is an integer number (3796070616).

Almost surely, 2^42031101402 is an apocalyptic number.

42031101402 is an abundant number, since it is smaller than the sum of its proper divisors (49074593382).

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

42031101402 is a wasteful number, since it uses less digits than its factorization.

42031101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982274 (or 982271 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42031101402 its reverse (20410113024), we get a palindrome (62441214426).

The spelling of 42031101402 in words is "forty-two billion, thirty-one million, one hundred one thousand, four hundred two".