7901481543031 has 16 divisors (see below), whose sum is σ = 8414485079040. Its totient is φ = 7393849269120.

The previous prime is 7901481542987. The next prime is 7901481543047. The reversal of 7901481543031 is 1303451841097.

It is a cyclic number.

It is not a de Polignac number, because 7901481543031 - 2¹¹ = 7901481540983 is a prime.

It is a super-2 number, since 2×7901481543031² (a number of 27 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 (7901481543061) 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, 17397820 + ... + 17846206.

It is an arithmetic number, because the mean of its divisors is an integer number (525905317440).

Almost surely, 2^{7901481543031} is an apocalyptic number.

7901481543031 is a deficient number, since it is larger than the sum of its proper divisors (513003536009).

7901481543031 is a wasteful number, since it uses less digits than its factorization.

7901481543031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454374.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 7901481543031 in words is "seven trillion, nine hundred one billion, four hundred eighty-one million, five hundred forty-three thousand, thirty-one".