2531023402 has 8 divisors (see below), whose sum is σ = 3996352800. Its totient is φ = 1198905804.

The previous prime is 2531023373. The next prime is 2531023403. The reversal of 2531023402 is 2043201352.

2531023402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2531023402² = 12812158922943307208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2531023403) 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, 33302902 + ... + 33302977.

It is an arithmetic number, because the mean of its divisors is an integer number (499544100).

Almost surely, 2^2531023402 is an apocalyptic number.

2531023402 is a deficient number, since it is larger than the sum of its proper divisors (1465329398).

2531023402 is a wasteful number, since it uses less digits than its factorization.

2531023402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66605900.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2531023402 is about 50309.2774943151. The cubic root of 2531023402 is about 1362.7997761619.

Adding to 2531023402 its reverse (2043201352), we get a palindrome (4574224754).

The spelling of 2531023402 in words is "two billion, five hundred thirty-one million, twenty-three thousand, four hundred two".