231000400130 has 16 divisors (see below), whose sum is σ = 415832132160. Its totient is φ = 92393179632.

The previous prime is 231000400051. The next prime is 231000400153. The reversal of 231000400130 is 31004000132.

It is a super-2 number, since 2×231000400130² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732494 + ... + 999273.

It is an arithmetic number, because the mean of its divisors is an integer number (25989508260).

Almost surely, 2^231000400130 is an apocalyptic number.

231000400130 is a deficient number, since it is larger than the sum of its proper divisors (184831732030).

231000400130 is a wasteful number, since it uses less digits than its factorization.

231000400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745113.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 231000400130 its reverse (31004000132), we get a palindrome (262004400262).

The spelling of 231000400130 in words is "two hundred thirty-one billion, four hundred thousand, one hundred thirty".