2251403201531 has 16 divisors (see below), whose sum is σ = 2636175297888. Its totient is φ = 1899946137600.

The previous prime is 2251403201513. The next prime is 2251403201533. The reversal of 2251403201531 is 1351023041522.

It is a cyclic number.

It is not a de Polignac number, because 2251403201531 - 2²⁶ = 2251336092667 is a prime.

It is a super-2 number, since 2×2251403201531² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2251403201494 and 2251403201503.

It is not an unprimeable number, because it can be changed into a prime (2251403201533) 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, 82449290 + ... + 82476591.

It is an arithmetic number, because the mean of its divisors is an integer number (164760956118).

Almost surely, 2^{2251403201531} is an apocalyptic number.

2251403201531 is a deficient number, since it is larger than the sum of its proper divisors (384772096357).

2251403201531 is a wasteful number, since it uses less digits than its factorization.

2251403201531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164925982.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 2251403201531 in words is "two trillion, two hundred fifty-one billion, four hundred three million, two hundred one thousand, five hundred thirty-one".