2151131100430 has 32 divisors (see below), whose sum is σ = 4282584503904. Its totient is φ = 772797200256.

The previous prime is 2151131100407. The next prime is 2151131100491. The reversal of 2151131100430 is 340011311512.

It is a happy number.

It is a super-2 number, since 2×2151131100430² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223605492 + ... + 223615111.

It is an arithmetic number, because the mean of its divisors is an integer number (133830765747).

Almost surely, 2^{2151131100430} is an apocalyptic number.

2151131100430 is a deficient number, since it is larger than the sum of its proper divisors (2131453403474).

2151131100430 is a wasteful number, since it uses less digits than its factorization.

2151131100430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447220660.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 2151131100430 its reverse (340011311512), we get a palindrome (2491142411942).

The spelling of 2151131100430 in words is "two trillion, one hundred fifty-one billion, one hundred thirty-one million, one hundred thousand, four hundred thirty".