10402042031 has 8 divisors (see below), whose sum is σ = 10937165184. Its totient is φ = 9873823960.

The previous prime is 10402042009. The next prime is 10402042073. The reversal of 10402042031 is 13024020401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10402042031 - 2¹⁰ = 10402041007 is a prime.

It is a super-2 number, since 2×10402042031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402042531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723181 + ... + 1729206.

It is an arithmetic number, because the mean of its divisors is an integer number (1367145648).

Almost surely, 2^10402042031 is an apocalyptic number.

10402042031 is a deficient number, since it is larger than the sum of its proper divisors (535123153).

10402042031 is a wasteful number, since it uses less digits than its factorization.

10402042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452541.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10402042031 its reverse (13024020401), we get a palindrome (23426062432).

The spelling of 10402042031 in words is "ten billion, four hundred two million, forty-two thousand, thirty-one".