9930142131 has 16 divisors (see below), whose sum is σ = 16295618304. Its totient is φ = 5237877024.

The previous prime is 9930142109. The next prime is 9930142133. The reversal of 9930142131 is 1312410399.

It is a happy number.

It is not a de Polignac number, because 9930142131 - 2¹⁵ = 9930109363 is a prime.

It is a super-2 number, since 2×9930142131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9930142092 and 9930142101.

It is not an unprimeable number, because it can be changed into a prime (9930142133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18186801 + ... + 18187346.

It is an arithmetic number, because the mean of its divisors is an integer number (1018476144).

Almost surely, 2^9930142131 is an apocalyptic number.

9930142131 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

9930142131 is a deficient number, since it is larger than the sum of its proper divisors (6365476173).

9930142131 is a wasteful number, since it uses less digits than its factorization.

9930142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36374170.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9930142131 is about 99650.0984997004. The cubic root of 9930142131 is about 2149.4061551546.

The spelling of 9930142131 in words is "nine billion, nine hundred thirty million, one hundred forty-two thousand, one hundred thirty-one".