131000030310004 has 12 divisors (see below), whose sum is σ = 229690072341828. Its totient is φ = 65374295355200.

The previous prime is 131000030310001. The next prime is 131000030310041. The reversal of 131000030310004 is 400013030000131.

It can be written as a sum of positive squares in 2 ways, for example, as 42396402607504 + 88603627702500 = 6511252^2 + 9412950^2 .

It is a super-2 number, since 2×131000030310004² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131000030310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000030310001) 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, 31429947607 + ... + 31429951774.

It is an arithmetic number, because the mean of its divisors is an integer number (19140839361819).

Almost surely, 2^{131000030310004} is an apocalyptic number.

It is an amenable number.

131000030310004 is a deficient number, since it is larger than the sum of its proper divisors (98690042031824).

131000030310004 is a wasteful number, since it uses less digits than its factorization.

131000030310004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62859899906 (or 62859899904 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 131000030310004 its reverse (400013030000131), we get a palindrome (531013060310135).

The spelling of 131000030310004 in words is "one hundred thirty-one trillion, thirty million, three hundred ten thousand, four".