1020100030131 has 64 divisors (see below), whose sum is σ = 1682724814848. Its totient is φ = 535277179008.

The previous prime is 1020100030109. The next prime is 1020100030139. The reversal of 1020100030131 is 1310300010201.

It is not a de Polignac number, because 1020100030131 - 2¹¹ = 1020100028083 is a prime.

It is a super-2 number, since 2×1020100030131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020100030139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97827340 + ... + 97837766.

It is an arithmetic number, because the mean of its divisors is an integer number (26292575232).

Almost surely, 2^{1020100030131} is an apocalyptic number.

1020100030131 is a deficient number, since it is larger than the sum of its proper divisors (662624784717).

1020100030131 is a wasteful number, since it uses less digits than its factorization.

1020100030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1020100030131 its reverse (1310300010201), we get a palindrome (2330400040332).

The spelling of 1020100030131 in words is "one trillion, twenty billion, one hundred million, thirty thousand, one hundred thirty-one".