402010122431 has 8 divisors (see below), whose sum is σ = 404060160000. Its totient is φ = 399960384120.

The previous prime is 402010122407. The next prime is 402010122457. The reversal of 402010122431 is 134221010204.

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 402010122431 - 2¹⁰ = 402010121407 is a prime.

It is a super-2 number, since 2×402010122431² (a number of 24 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 (402010122461) 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, 2923970 + ... + 3058368.

It is an arithmetic number, because the mean of its divisors is an integer number (50507520000).

Almost surely, 2^402010122431 is an apocalyptic number.

402010122431 is a deficient number, since it is larger than the sum of its proper divisors (2050037569).

402010122431 is a wasteful number, since it uses less digits than its factorization.

402010122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149629.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 402010122431 its reverse (134221010204), we get a palindrome (536231132635).

The spelling of 402010122431 in words is "four hundred two billion, ten million, one hundred twenty-two thousand, four hundred thirty-one".