98442640031 has 16 divisors (see below), whose sum is σ = 101286597600. Its totient is φ = 95640652800.

The previous prime is 98442639983. The next prime is 98442640067. The reversal of 98442640031 is 13004624489.

It is a cyclic number.

It is not a de Polignac number, because 98442640031 - 2¹⁴ = 98442623647 is a prime.

It is a super-2 number, since 2×98442640031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98442640081) 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, 5468876 + ... + 5486846.

It is an arithmetic number, because the mean of its divisors is an integer number (6330412350).

Almost surely, 2^98442640031 is an apocalyptic number.

98442640031 is a deficient number, since it is larger than the sum of its proper divisors (2843957569).

98442640031 is a wasteful number, since it uses less digits than its factorization.

98442640031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19130.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 98442640031 in words is "ninety-eight billion, four hundred forty-two million, six hundred forty thousand, thirty-one".