1513431234 has 48 divisors (see below), whose sum is σ = 3910488192. Its totient is φ = 413607744.

The previous prime is 1513431233. The next prime is 1513431251. The reversal of 1513431234 is 4321343151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1513431198 and 1513431207.

It is not an unprimeable number, because it can be changed into a prime (1513431233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258219 + ... + 264014.

It is an arithmetic number, because the mean of its divisors is an integer number (81468504).

Almost surely, 2^1513431234 is an apocalyptic number.

1513431234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1513431234 is an abundant number, since it is smaller than the sum of its proper divisors (2397056958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1513431234 is a wasteful number, since it uses less digits than its factorization.

1513431234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522271 (or 522268 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1513431234 is about 38902.8435207505. The cubic root of 1513431234 is about 1148.1207452103.

Adding to 1513431234 its reverse (4321343151), we get a palindrome (5834774385).

The spelling of 1513431234 in words is "one billion, five hundred thirteen million, four hundred thirty-one thousand, two hundred thirty-four".